698402385 has 32 divisors (see below), whose sum is σ = 1243610880. Its totient is φ = 371879424.

The previous prime is 698402371. The next prime is 698402401. The reversal of 698402385 is 583204896.

It is not a de Polignac number, because 698402385 - 2⁸ = 698402129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 698402385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87012 + ... + 94698.

It is an arithmetic number, because the mean of its divisors is an integer number (38862840).

Almost surely, 2^698402385 is an apocalyptic number.

It is an amenable number.

698402385 is a deficient number, since it is larger than the sum of its proper divisors (545208495).

698402385 is a wasteful number, since it uses less digits than its factorization.

698402385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374 (or 8368 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 698402385 is about 26427.3037784788. The cubic root of 698402385 is about 887.2279973164.

The spelling of 698402385 in words is "six hundred ninety-eight million, four hundred two thousand, three hundred eighty-five".